comment out broken attestation generation for cdoc2-server-liquibase …

…image

.github/workflows/docker-release.yml

@@ -53,11 +53,12 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
 
       # This step generates an artifact attestation for the image, which is an unforgeable statement about where and how it was built. It increases supply chain security for people who consume the image. For more information, see "[AUTOTITLE](/actions/security-guides/using-artifact-attestations-to-establish-provenance-for-builds)."
-      - name: Generate artifact attestation
-        uses: actions/attest-build-provenance@v1
-        with:
-          #subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
-          subject-name: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
-          subject-digest: ${{ steps.push.outputs.digest }}
-          push-to-registry: true
+# Broken: generates images with sha256, that fail to start with "unsupported media type application/vnd.oci.empty.v1+json"
+#      - name: Generate artifact attestation
+#        uses: actions/attest-build-provenance@v1
+#        with:
+#          #subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+#          subject-name: ${{ env.REGISTRY }}/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
+#          subject-digest: ${{ steps.push.outputs.digest }}
+#          push-to-registry: true